Why Choose Our Water Quality Tester?
①4-in-1 Multifunctionality
②High-Precision Technology
③Effortless Operation
④Portable & Durable
⑤Instant Results: Get readings in 5 seconds—no waiting.
⑥Smart Alerts: Color indicators instantly flag unsafe water conditions.
⑦Long-Lasting: Includes 2x LR44 batteries (pre-installed).
⑧Widely Used: Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponics, Pool & Colloidal Silver, Water Treatment and more.

HOW TO USE?
STEP 1 lmmerse
Pull the hat, immerse the meter into the water between uper and down lmmersion line.
STEP 2 Stir
Put the bottom of this meter emerged in the water, lightly stir the meter to remove any air bubbles.
STEP 3 Wait
Wait 5s for the readings to stabilize and automatically lock.
STEP 4 Read
Read the results.

TDS: 0-9999 ppm (parts per million)
Concuctivity(EC): 0-9999 us/cm
Degree Centigrade (°C): 0.1-80.0 ℃C
Fahrenheit (°F): 32.0-176.0°F
Hold Function: Press "HOLD" to lock the reading manually
Accuray: ± 2% FS
Package Including: 1x TDS Meter; 1x Instruction; 1x box( with graphic combination of detailed operation instructions)

• 4-in-1 Multi-Function Detection: More than just a TDS tester—this professional tds water tester simultaneously measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), and Temperature (°C/°F). Pre-calibrated at the factory and featuring a one-touch hold function, it’s ready to use right out of the box. With intuitive operation, water tester for drinking water effortlessly tracks multiple key indicators, making home water safety testing simple and efficient.
• Multipurpose Tds Tester: Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc
• Intelligent Safety Alert: Based on the 40 ppm international safety standard, the screen turns red when TDS exceeds 40 ppm (indicating attention needed) and remains green when below 40 ppm (safe to drink). The large backlit screen ensures clear visibility in any lighting condition—whether at night, while camping, or in a basement—allowing you to assess water quality at a glance.
• Multipurpose Tds Tester: Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc.
• Portable & Lightweight Design: Compact and easy to carry, this ppm meter can be conveniently stored in a pocket or backpack, making it ideal for outdoor travel and home use. Whether as a gift for health-conscious family members, friends moving into a new home, or outdoor enthusiasts who love camping and hiking, this drinking water tester is a practical and thoughtful choice.